During the last accounting period, Sheridan Corporation sold $92000$ units at $$45$ each. The variable cost per unit was $$20$ per unit. Fixed costs totaled $$1100000.$ What is the company's degree of operating leverage?

$1\mathrm{.}80$

$1\mathrm{.}92$

$0\mathrm{.}48$

$0\mathrm{.}60$